Effects of (NH4)2Sx treatment on the electrical and optical properties of indium tin oxide/conducting polymer electrodes

Title Effects of (NH4)2Sx treatment on the electrical and optical properties of indium tin oxide/conducting polymer electrodes Author: Lin, Yow-Jon; Liu, Bei-Yuan & Chin, Yi-MinThin Solid Films, 2009 2009http://www.sciencedirect.com/science/article/pii/S004060900900786XMore details: In this study, the effects of (NH4)2Sx treatment on the electrical and optical properties of the indium tin oxide (ITO)/poly(3,4-ethylenedioxythiophene) doped with poly(4-styrenesulfonate) (PEDOT:PSS) electrodes were researched. The authors found that (NH4)2Sx treatment could result in suppressing the hysteresis-type current?��voltage characteristics related to the interfacial capacitance variation and a reduction in the equivalent refractive index of the ITO/PEDOT:PSS electrodes, owing to the improvement in the interfacial stability of the ITO/PEDOT:PSS electrodes and a reduction in the interface trap-states related charge store at the ITO/PEDOT:PSS interface. This implies that the ITO/PEDOT:PSS electrodes fabricated using the (NH4)2Sx-treated \{ITO\} may produce a higher extraction efficiency for ITO/PEDOT:PSS-based optoelectronic devices. Defects,Oxides,Polymers,Surface treatment,Transmittance